linux-kernel - [PATCH] dt-bindings: soc: Add Kendryte K230 power domain bindings

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Message-ID: <20251203092624.219460-1-q691800735@163.com>
Date: Wed,  3 Dec 2025 17:26:24 +0800
From: q691800735@....com
To: linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org
Cc: pjw@...nel.org,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	alex@...ti.fr,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	linux-kernel@...r.kernel.org,
	jybruceupup <q691800735@....com>
Subject: [PATCH] dt-bindings: soc: Add Kendryte K230 power domain bindings

From: jybruceupup <q691800735@....com>

Add canaan,k230_pm_domains.h to define power domain IDs for Kendryte K230
RISC-V SoC (CPU1, AI, display, VPU, 3D-struct engine).

Update MAINTAINERS RISC-V entry to include the new binding header for
proper maintenance tracking.

Signed-off-by: jybruceupup <q691800735@....com>
---
 MAINTAINERS                                      |  1 +
 include/dt-bindings/soc/canaan,k230_pm_domains.h | 13 +++++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 include/dt-bindings/soc/canaan,k230_pm_domains.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 980a3d5d6..d83920cbc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -22105,6 +22105,7 @@ C:	irc://irc.libera.chat/riscv
 P:	Documentation/arch/riscv/patch-acceptance.rst
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
 F:	arch/riscv/
+F:	include/dt-bindings/soc/canaan,k230_pm_domains.h
 N:	riscv
 K:	riscv
 
diff --git a/include/dt-bindings/soc/canaan,k230_pm_domains.h b/include/dt-bindings/soc/canaan,k230_pm_domains.h
new file mode 100644
index 000000000..e212126e4
--- /dev/null
+++ b/include/dt-bindings/soc/canaan,k230_pm_domains.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _DT_BINDINGS_SOC_K230_PM_DOMAINS_H
+#define _DT_BINDINGS_SOC_K230_PM_DOMAINS_H
+
+#define K230_PM_DOMAIN_CPU1       0       /* CPU1 subsystem */
+#define K230_PM_DOMAIN_AI         1       /* AI Subsystem */
+#define K230_PM_DOMAIN_DISP       2       /* Display, 2.5D Engine */
+#define K230_PM_DOMAIN_VPU        3       /* Video subsystem */
+#define K230_PM_DOMAIN_DPU        4       /* 3D-struct Engine */
+#define K230_PM_DOMAIN_MAX        5
+
+#endif /* _DT_BINDINGS_SOC_K230_PM_DOMAINS_H */
-- 
2.52.0